Home / 1,338,922.80-2,008,384.20-452,458.80

Finding the Fourth Proportional to 1,338,922.80, 2,008,384.20 and 452,458.80

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Solution

The fourth proportional to 1,338,922.80, 2,008,384.20 and 452,458.80 is: 678,688.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,922.80 : 2,008,384.20 = 452,458.80 : x
  2. Step 2: Convert to fraction form
    1,338,922.80/2,008,384.20 = 452,458.80/x
  3. Step 3: Cross multiply
    1,338,922.80x = 2,008,384.20 × 452,458.80
  4. Step 4: Simplify right side
    1,338,922.80x = 908,711,105,070.96
  5. Step 5: Solve for x
    x = 908,711,105,070.96/1,338,922.80
  6. Step 6: Final answer
    x = 678,688.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.